Tim Ewald is a Director of Content at DevelopMentor, a premier developer services company. His research and development work focuses on the design and implementation of scalable systems using component technologies such as COM and Java. Tim has authored or co-authored several DevelopMentor courses, including the MTS and COM+ curriculum. He is also a co-author of Effective COM (Addison-Wesley), a former columnist for DOC and Application Strategies, and a frequent conference speaker. Before joining DevelopMentor, Tim worked as an independent consultant specializing in COM and related technologies.